12 DC players poised for a big 2015

Here's a look at 10 people -- candidates, donors, political operatives -- that could shape the race for the White House.

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Elizabeth Warren, Potential Rival

(AP) -- The populist senator from Massachusetts is, at the dawn of 2015, the only person who appears able to mount a competitive challenge to Hillary Rodham Clinton in the race for the Democratic nomination. The architect of President Barack Obama's consumer financial protection agency, Warren would be able to quickly raise millions from an already enthusiastic following. She has repeatedly insisted she "is not running for president," but her consistent use of the present tense has left some liberals begging her to get into the race.